﻿// Groupon.NET C# Library
// Copyright (c) 2011 James Paul Duncan (JPaulDuncan)
// The MIT License (MIT)
// Permission is hereby granted, free of charge, to any person obtaining a 
// copy of this software and associated documentation files (the "Software"), 
// to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the 
// Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included 
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE. 
// http://www.jpaulduncan.com

using System.Collections.Generic;
using System.Xml;

namespace Groupon.Net
{
    internal sealed class PostsProvider
    {
        public List<Post> GetPosts(string dealId)
        {
            List<Post> result = new List<Post>();

            PostsRequest request = new PostsRequest(dealId);

            Response response = Client.Instance.PostRequest(request);

            if (response != null && response.HasChildNodes && !response.HasErrors)
            {
                XmlNode node = response.SelectSingleNode(@"response/posts");

                foreach (XmlNode child in node.SelectNodes("post"))
                {
                    Post item = new Post();

                    item = Post.Parse(child);

                    if (item != null)
                    {
                        result.Add(item);
                    }
                }
            }

            request = null;
            response = null;

            return result;
        }
    }
}